Thanks @ponceta for this first draft. I already added a few things and add a list of things to do that can be extended any time:
Additional topics:
[ ]: General principals: Database uses English terms, value lists with integer values (unique over whole datamodel), relational datamodel (superclass and subclasses), handling of relations, ...
[ ]: Class table structure od_schema, obj_id attribute, relation between sub and superclass tables, foreignkeys, max length class names
Description Define a developer guide to ease :
To do :
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